R-Type - Sega Master System Version: Secret Level.
R-Type DX - GameBoy Cheats
R-Type - ZX-Spectrum Cheats
R-Type - PC-Engine Cheats
R-Type - Playstation Cheats
R-Type Delta - Playstation Cheats
R-Type - PC(?) Cheats
R-Type 2 - Amiga Cheats
R-Type 2 - Atari ST Cheats
R-Type 1 - PC Engine version's special features